Home / 439,139.06-658,200.31-201,984.02

Finding the Fourth Proportional to 439,139.06, 658,200.31 and 201,984.02

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Solution

The fourth proportional to 439,139.06, 658,200.31 and 201,984.02 is: 302,742.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,139.06 : 658,200.31 = 201,984.02 : x
  2. Step 2: Convert to fraction form
    439,139.06/658,200.31 = 201,984.02/x
  3. Step 3: Cross multiply
    439,139.06x = 658,200.31 × 201,984.02
  4. Step 4: Simplify right side
    439,139.06x = 132,945,940,278.13
  5. Step 5: Solve for x
    x = 132,945,940,278.13/439,139.06
  6. Step 6: Final answer
    x = 302,742.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.